Home / 45,218.72-67,848.24-17,518.88

Finding the Fourth Proportional to 45,218.72, 67,848.24 and 17,518.88

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Solution

The fourth proportional to 45,218.72, 67,848.24 and 17,518.88 is: 26,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,218.72 : 67,848.24 = 17,518.88 : x
  2. Step 2: Convert to fraction form
    45,218.72/67,848.24 = 17,518.88/x
  3. Step 3: Cross multiply
    45,218.72x = 67,848.24 × 17,518.88
  4. Step 4: Simplify right side
    45,218.72x = 1,188,625,174.77
  5. Step 5: Solve for x
    x = 1,188,625,174.77/45,218.72
  6. Step 6: Final answer
    x = 26,286.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.